Bosch BOVB 18 Series - Control Board Overviews

Installation Instructions Bosch IDS BOVB 18 | 29
Bosch Thermotechnology Corp. | 10.2020
Data subject to change
15.10 Control Board Overviews
Main Control Board for 24/36 ODU Model
Figure 45
No. Function Description
1 Compressor crankcase heater port
2 Pressure equalizer valve port
3 Reversing valve port
4 Thermostat wire connections
5 T3 T4 sensor port
6 Pressure transducer port
7 T5 sensor port
8 Reserve
9 EEV port
10 Reserve
11 Reserve
12 High pressure switch port
13 SW2 FORCE BUTTON
14 SW3 CHECK BUTTON
15 Reserve
16 USB
17 J2 Dip SWITCH: Select capacity
18 SW5 Dip SWITCH:Defrost logic settings
19 SW4 Dip SWITCH:Control logic settings
20 LED
21 AC motor port
22 Compressor: W port
23 Compressor: V port
24 Compressor: U port
25 Power input
26 Power input